Home / 3,617.90-5,425.02-1,766.24

Finding the Fourth Proportional to 3,617.90, 5,425.02 and 1,766.24

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Solution

The fourth proportional to 3,617.90, 5,425.02 and 1,766.24 is: 2,648.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.90 : 5,425.02 = 1,766.24 : x
  2. Step 2: Convert to fraction form
    3,617.90/5,425.02 = 1,766.24/x
  3. Step 3: Cross multiply
    3,617.90x = 5,425.02 × 1,766.24
  4. Step 4: Simplify right side
    3,617.90x = 9,581,887.32
  5. Step 5: Solve for x
    x = 9,581,887.32/3,617.90
  6. Step 6: Final answer
    x = 2,648.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.